Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 382
usinguneven wearing in the bearings, heating, and more or less frequentbreakages. Shafts are now made of larger diameter than formerly, the objectionto increased rubbing velocity at high speeds is removed by improvedmethods of lubrication. The shafts and other working parts are further stiffened by…
Steam-engines
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